Search for "photoremovable protecting groups" in Full Text gives 2 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2021, 17, 2932–2938, doi:10.3762/bjoc.17.202
Beilstein J. Org. Chem. 2014, 10, 2038–2054, doi:10.3762/bjoc.10.212